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Sony Alpha A230 - Test Shots - ISO Performance
Over the next few pages we show a range of test shots. On this page the full size image at the minimum and maximum ISO settings have been reduced to let you see the full image, and a series of full resolution crops have taken from original images at a range of ISO settings to show the overall image quality.
This is the full frame at 100 ISO.
Excellent quality at 100 ISO, with no noise at all, although there is a little lens flare coming from the left side of the image.
Still no problems at 200 ISO.
At 400 ISO there is noise plainly visible in the darker areas of the image.
Noise is worse at 800 ISO, but there is still plenty of detail visible.
At 1600 ISO the detail is just starting to break down.
3200 ISO shows colour distortion, loss of detail and lack od contrast.
This is the full frame at 3200 ISO.
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